Takaki Inui, Tatsuro Kuriyama, Takeo Shirai, Yusuke Ayani, Yuko Inaka, Michitoshi Araki, S. Haginomori, R. Kawata
Vestibular migraine (VM) and Meniere’s disease (MD) are both characterized by recurrent, episodic vertigo. In patients with recurrent vertigo, it is sometimes difficult to differentiate between VM and MD if the vertigo is not associated with migrainous headache or hearing loss. In the present study, to differentiate between VM and MD, we analyzed the results of ex-aminations of the peripheral vestibular system; the medical records of 23 patients, including 12 with definite VM and 11 with definite MD, were reviewed retrospectively, with a focus on the results of the caloric test and cervical vestibular evoked myogenic potential (cVEMP) testing. The caloric test revealed no statistically significant difference in the incidence of canal pa-resis between patients with VM and MD; however, the asymmetry ratio (AR) of cVEMP ob-tained using 500 ― Hz short-tone burst stimuli was significantly higher in patients with MD than in patients with VM (p ＝ 0.04, Fisher’s exact probability test). The tuning properties of short-tone burst stimuli of 500 Hz and 1,000 Hz during cVEMP testing tended to shift to a higher frequency in the affected ears of patients with MD as compared with that in the ears of patients with VM, although the difference was not significant (p ＝ 0.12, Welch’s t-test). These differ-ences are consistent with the findings of a previously conducted pathological investigation of the temporal bone in patients with MD, which suggested that severe endolymphatic hydrops is observed most frequently in the saccule of the inner ear. The present study findings indicate that evaluation of dysfunction of the saccule, especially the AR in cVEMP may be helpful in the differential diagnosis between VM and MD.
{"title":"Cervical vestibular evoked myogenic potential asymmetry may contribute to differentiation between vestibular migraine and Meniere's disease","authors":"Takaki Inui, Tatsuro Kuriyama, Takeo Shirai, Yusuke Ayani, Yuko Inaka, Michitoshi Araki, S. Haginomori, R. Kawata","doi":"10.3757/jser.81.184","DOIUrl":"https://doi.org/10.3757/jser.81.184","url":null,"abstract":"Vestibular migraine (VM) and Meniere’s disease (MD) are both characterized by recurrent, episodic vertigo. In patients with recurrent vertigo, it is sometimes difficult to differentiate between VM and MD if the vertigo is not associated with migrainous headache or hearing loss. In the present study, to differentiate between VM and MD, we analyzed the results of ex-aminations of the peripheral vestibular system; the medical records of 23 patients, including 12 with definite VM and 11 with definite MD, were reviewed retrospectively, with a focus on the results of the caloric test and cervical vestibular evoked myogenic potential (cVEMP) testing. The caloric test revealed no statistically significant difference in the incidence of canal pa-resis between patients with VM and MD; however, the asymmetry ratio (AR) of cVEMP ob-tained using 500 ― Hz short-tone burst stimuli was significantly higher in patients with MD than in patients with VM (p ＝ 0.04, Fisher’s exact probability test). The tuning properties of short-tone burst stimuli of 500 Hz and 1,000 Hz during cVEMP testing tended to shift to a higher frequency in the affected ears of patients with MD as compared with that in the ears of patients with VM, although the difference was not significant (p ＝ 0.12, Welch’s t-test). These differ-ences are consistent with the findings of a previously conducted pathological investigation of the temporal bone in patients with MD, which suggested that severe endolymphatic hydrops is observed most frequently in the saccule of the inner ear. The present study findings indicate that evaluation of dysfunction of the saccule, especially the AR in cVEMP may be helpful in the differential diagnosis between VM and MD.","PeriodicalId":11781,"journal":{"name":"Equilibrium Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42685139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A case of repetitive vertigo with decreased blood flow in the right vertebral artery, which was difficult to diagnose and treat","authors":"Tessei Kuruma","doi":"10.3757/jser.81.222","DOIUrl":"https://doi.org/10.3757/jser.81.222","url":null,"abstract":"","PeriodicalId":11781,"journal":{"name":"Equilibrium Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49391172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A case of Bow hunter's syndrome due to cervical rotation and vertebral artery dissection","authors":"Koh Koizumi, Kazuhiro Shina, Takechiyo Yamada","doi":"10.3757/jser.81.199","DOIUrl":"https://doi.org/10.3757/jser.81.199","url":null,"abstract":"","PeriodicalId":11781,"journal":{"name":"Equilibrium Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48627901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Primary central nervous system lymphoma (PCNSL) is a lymphoma that is confined to the brain and spinal cord. The clinical manifestations vary depending on the site of origin, but the main presenting complaint in most cases is loss of memory. In this study, we encountered a case of PCNSL in which the patient presented to the ENT department with the complaints of dizziness and hearing impairment, which led to the diagno-sis. At the first visit, there were no neurological findings other than dizziness and hearing impairment, but as the disease progressed, many neurological findings became evident. Since the symptoms of PCNSL progress rapidly, it is necessary to perform detailed examinations, such as imaging tests, at an early stage without overlooking the slightest signs.
{"title":"A case of primary central nervous system lymphoma with dizziness and hearing impairment as the initial symptoms","authors":"Ryota Ishizuka, Yujin Kato, H. Kojima","doi":"10.3757/jser.81.192","DOIUrl":"https://doi.org/10.3757/jser.81.192","url":null,"abstract":"Primary central nervous system lymphoma (PCNSL) is a lymphoma that is confined to the brain and spinal cord. The clinical manifestations vary depending on the site of origin, but the main presenting complaint in most cases is loss of memory. In this study, we encountered a case of PCNSL in which the patient presented to the ENT department with the complaints of dizziness and hearing impairment, which led to the diagno-sis. At the first visit, there were no neurological findings other than dizziness and hearing impairment, but as the disease progressed, many neurological findings became evident. Since the symptoms of PCNSL progress rapidly, it is necessary to perform detailed examinations, such as imaging tests, at an early stage without overlooking the slightest signs.","PeriodicalId":11781,"journal":{"name":"Equilibrium Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43453839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Case of Dural Arteriovenous Fistula Presenting with Dizziness","authors":"Yoshinari Takai, Shinsaku Matsuda, K. Aoki","doi":"10.3757/jser.81.206","DOIUrl":"https://doi.org/10.3757/jser.81.206","url":null,"abstract":"","PeriodicalId":11781,"journal":{"name":"Equilibrium Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43189927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
from Fujimoto et al. (Otol. Neurotol., 2014), including posturography and vestibular function data and found that machine learning algorithms can be successfully used to predict vestibular dysfunction as iden-tified using caloric testing with the dataset of the center of pressure sway during posturography. Some of the points to be considered for practical application of machine learning in the field of vertigo research include the following: clinical data contain many errors, and database errors may occur frequently, the accuracy of clinical examinations should be taken into ac-count, the difference between the acute and chronic phases of disease should be taken into ac-count, and the dizziness symptom varies among cases. In order to achieve better accuracy, a large amount of data is required, and multi-institutional joint research should be considered.
{"title":"Machine Learning in Diagnosis Support with Posturography Data","authors":"Teru Kamogashira","doi":"10.3757/jser.81.212","DOIUrl":"https://doi.org/10.3757/jser.81.212","url":null,"abstract":"from Fujimoto et al. (Otol. Neurotol., 2014), including posturography and vestibular function data and found that machine learning algorithms can be successfully used to predict vestibular dysfunction as iden-tified using caloric testing with the dataset of the center of pressure sway during posturography. Some of the points to be considered for practical application of machine learning in the field of vertigo research include the following: clinical data contain many errors, and database errors may occur frequently, the accuracy of clinical examinations should be taken into ac-count, the difference between the acute and chronic phases of disease should be taken into ac-count, and the dizziness symptom varies among cases. In order to achieve better accuracy, a large amount of data is required, and multi-institutional joint research should be considered.","PeriodicalId":11781,"journal":{"name":"Equilibrium Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42779675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Epstein-Barr virus (EBV)-associated cerebellar ataxia after surgery for suprasellar tumor","authors":"J. Yokota, Yo Suzuki, A. Inoshita, Atsuko Inomata","doi":"10.3757/jser.81.148","DOIUrl":"https://doi.org/10.3757/jser.81.148","url":null,"abstract":"","PeriodicalId":11781,"journal":{"name":"Equilibrium Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48700837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Clinical evaluation of the Romberg quotient in stabilometry","authors":"Chihiro Maeda, M. Asai, N. Ueda, H. Shojaku","doi":"10.3757/jser.81.142","DOIUrl":"https://doi.org/10.3757/jser.81.142","url":null,"abstract":"","PeriodicalId":11781,"journal":{"name":"Equilibrium Research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47673077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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